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Individual Calculations May 2023 |
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| Zhu, David Junyang Total change: 17.20 | |   |
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| 2023 Wellington Open | Wellington | NZL | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1639 | 1.50 | 4 | -0.65 | 40 | -26.00 | |
|  Croad, Nicolas | f | | 2196 | NZL | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Sova, Leo | | | 1251 | USA | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Sun, Taoran Ethan | | | 1239 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Tanoi, T Edward | | | 1796 | NZL | 0.50 | 1 | 0.21 | 40 | 8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | George Trundle Masters 2023 | Auckland | NZL | 2023-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1639 | 4.50 | 9 | 1.08 | 40 | 43.20 | |
| | Yu, Weiyang | | | 1582 | NZL | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Chang, Yolanda | | | 1590 | NZL | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Mistry, Prashant | | | 1799 | NZL | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Wells, Clinton A. | | | 1672 | NZL | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Ang, Alphaeus Wei Ern | f | | 2288 | NZL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Yu, Zachary | | | 1800 | NZL | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Young, Cohen | | | 1793 | NZL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | McDonald, Duncan | | | 1588 | NZL | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Thurner, Anya | | | 1732 | NZL | 0.00 | 1 | -0.37 | 40 | -14.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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